must/mustn't/have to/has to/don't have to/doesn't have to

At our school we __________ wear a uniform. 

You __________ cross the roads without looking. It’s dangerous. 

The exams are next week. I __________ work harder. 

You __________ come with us if you don’t want to. 

In Spain, teachers __________ wear uniforms. 

Alice _________ wear glasses because she can’t see very well.

He __________ go shopping today. They don’t need anything. 

You __________ a mobile phone in class. 

Doctors sometimes ___________ work at the weekend. 

My wife __________ go to work today. It’s a holiday. 

You __________ use a computer on the plane.  

You _________ shout. I can hear you.